Material: The shaver blade is made of high-quality materials, enabling both wet and dry shaving, and is washable. Fine Protective Net: The rounded edges of the protective net are 360 degrees contoured to fit your face, and the precision slots easily catch whiskers and hairs. You can enjoy a safe and smooth shave without scratching. Sharp Blades: This upgraded replacement blade head enhances shaving efficiency and saves time. The sharp blades help avoid pulling on whiskers and hairs. Easy to Install: Replace the shaving heads in a few minutes. After installation, apply a small drop of baby oil on each head and run the shaver for 10 seconds to ensure smooth operation. For best performance, replace shaving heads every 12 months. Compatible With the Following Models: PT724/41, PT729/41, S738/17, S738/82, S1150/81, S1160/81, S1570, S1560/81, S3310/81, S3310/86, S3560/81, S3560/86. Color: Silver. Material: Plastic + Metal. Package Contents: 6 x Shaver Blade. Only the items listed are included; other products are not included. Note: Light reflection and differences in display screens may cause the color in the image to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.